[nrf toup] don't try to find volatile/builtin keys from wrong sources#31
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When not finding a given key in memory, the implementation would try to find it from the persistent keys regardless of the actual key type (volatile/builtin/persistent). Don't try to find inexistent volatile/builtin keys from persistent ones. In addition to the calls being superflous, the problem that was happening here is that the ITS implementation (Secure Storage subsystem) returns `PSA_ERROR_INVALID_ARGUMENT` because the ID is not in the persistent key range, and because it doesn't return `PSA_ERROR_DOES_NOT_EXIST` then the wrong error code is propagated back to the caller. `toup` as the issue has been communicated to Mbed TLS and should be fixed there. See: - Mbed-TLS/TF-PSA-Crypto#488 - Mbed-TLS/TF-PSA-Crypto#492 Signed-off-by: Tomi Fontanilles <tomi.fontanilles@nordicsemi.no>
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When not finding a given key in memory, the implementation would try to find it from the persistent keys regardless of the actual key type (volatile/builtin/persistent).
Don't try to find inexistent volatile/builtin keys from persistent ones.
In addition to the calls being superflous, the problem that was happening here is that the ITS implementation (Secure Storage subsystem) returns
PSA_ERROR_INVALID_ARGUMENTbecause the ID is not in the persistent key range, and because it doesn't returnPSA_ERROR_DOES_NOT_EXISTthen the wrong error code is propagated back to the caller.toupas the issue has been communicated to Mbed TLS and should be fixed there.See: